Ray-wave correspondence in the nonlinear description of stadium-cavity lasers

Susumu Shinohara, Takahisa Harayama, Hakan E. Türeci, A. Douglas Stone

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


We show that the solution of fully nonlinear lasing equations for stadium cavities exhibits a highly directional emission pattern. This directionality can be well explained by a ray-dynamical model, where the dominant ray-escape dynamics is governed by the unstable manifolds of the unstable short periodic orbits for the stadium cavity. Investigating the cold-cavity modes relevant for the lasing, we found that all of the high- Q modes have the emission directionality corresponding to that of the ray-dynamical model.

Original languageEnglish (US)
Article number033820
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number3
StatePublished - 2006
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics


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